.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: sticky;
    width: 100%;
    border-radius: 0 0 20px 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 100%; 
    padding: 0 20px;
    padding-bottom: 20px;
    box-sizing: border-box;
}

.logo {
    font-size: 20px;
    font-weight: bold;
}